US PATENT SUBCLASS 159 / 2.2
.~ With extruder

Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

2.1  DF  SUPERHEATING AND PRESSURE RELEASE {1}
2.2.~ With extruder {1}
2.3  DF  .~.~> Multistage

DEFINITION

Classification: 159/2.2

With extruder:

(under subclass 2.1) Apparatus having means to force or press out the material being concentrated.